Thiefs claiming to be plain clothed police officers have been stealing cars that are being sold on Gumtree.
Members of the public who are attempting to sell cars on Gumtree are being contacted by interested buyers who then arrange to meet them.
When the meeting takes place, two men claiming to be plain clothed police officers arrive and steal the car.
Police have received reports of the same thing happening in the Glasgow area twice this week.
The first occurred on Wednesday May 17 around 8.40pm at Glasgow Central Mosque in the Gorbals area.
A second incident in the Glasgow area on Thursday May 18, which is believed to be linked, is currently under investigation.
The first man is described as mid to late 20’s, 5ft8, medium to stocky build, with a pale complexion and short dark brown hair.
He was last seen wearing G Star jeans and a dark waterproof jacket.
The second man is described as around 6ft, of slim build, with a pale complexion and short red hair. He was last seen wearing black Nike trousers.
Both men were in possession of police equipment including handcuffs, airwaves and covert harnesses.
Detective Sergeant Mike Leyton from Cathcart CID said: “There have been a number of incidents of this nature reported to police and it is important that people are vigilant when selling vehicles or other items online.
“Please be on your guard and ensure any interested buyers are genuine before arranging to meet anyone.
“If you have any concerns or information of this nature you can contact your local police via 101 for assistance.”